Nahanni Yoga Fitness Tank is light and flowy for your power workout and yoga. This top is ideal as a cover up over your sports bra. The fabric is light weight with 50% Organic Zeugma® cotton and 50% Tencel®. Tencel® is the most environmental man-made fabric, made by the Swiss company Lenzing. It is made of trees grown in the Swiss alps in a very special environmental process. It can not be called Organic due to the definition of organic.
More info: http://www.lenzing-fibers.com/en/tencel/tencelr/
It is pre-washed to prevent shrinking after wash.